Dental instrument



FIG. 1 is a perspective view showing a first embodiment of the new design for a dental instrument;

FIG. 2 is a side view thereof;

FIG. 3 is a side view thereof from a side opposite that of FIG. 2;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a perspective view showing a second embodiment of the new design for a dental instrument having a callout region 15;

FIG. 9 is a side view thereof;

FIG. 10 is a side view thereof from a side opposite that of FIG. 9;

FIG. 11 is a rear view thereof;

FIG. 12 is a front view thereof;

FIG. 13 is a bottom view thereof;

FIG. 14 is a top view thereof; and,

FIG. 15 is an enlarged view of the callout region 15 of FIG. 8.

The broken line showing of the dental instrument is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a dental instrument, as shown and described. 